As a four-year starter at Princeton, he ranks 22nd on the school's all-time leading scoring list with 1,071 points, and 11th in three-point field goals made (142).

[2] In 1990, Mooney enrolled at Princeton University, majoring in English and playing basketball for legendary coach Pete Carril.

[3] Mooney was a four-year starter at Princeton, starting all 107 games in his career and amassing 1,071 points, good for 20th place in program history.

After two years at Beaver, Mooney took an assistant coaching position under Joe Scott at the United States Air Force Academy.

On February 17, 2023, Richmond announced that Mooney would miss the remainder of the 2022–23 season due to heart surgery to address an aneurysm in his ascending aorta.